diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index fc817d28d1fe50341bc4c9fe0d4de188f599d947..3d15d16a7088d2d886ef769f96534d896ded1b73 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -107,7 +107,7 @@ static int __init crossbar_of_init(struct device_node *node)
 	int i, size, max, reserved = 0, entry;
 	const __be32 *irqsr;
 
-	cb = kzalloc(sizeof(struct cb_device *), GFP_KERNEL);
+	cb = kzalloc(sizeof(*cb), GFP_KERNEL);
 
 	if (!cb)
 		return -ENOMEM;